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Date: 2011-08-10     Hits: 1393

Drill collar

                                                                  Spiral Drill Collars

              

                                                   Standard Steel Drill Collars

                       

 

Specifications:

 

 

DC Number

OD

ID

Length

Bevel Diameter

BSR

+1/16
-0

+1.6
-0

±6in

±152.4mm

±1/64

±0.4

in

mm

in

mm

ft

mm

in

mm

NC23-31

31/8

79.4

11/4

31.8

30

9140

3

76.2

2.571

NC26-35

31/2

88.9

11/2

38.1

30

9140

317/64

82.9

2.421

NC31-41

41/8

104.8

2

50.8

30 or 31

9140 or 9450

361/64

100.4

2.431

NC35-47

43/4

120.7

2

50.8

30 or 31

9140 or 9450

433/64

114.7

2.581

NC38-50

5

127.0

21/4

57.2

30 or 31

9140 or 9450

449/64

121.0

2.381

NC44-60

6

152.4

21/4

57.2

30 or 31

9140 or 9450

511/16

144.5

2.491

NC44-60

6

152.4

213/16

71.4

30 or 31

9140 or 9450

511/16

144.5

2.841

NC44-62

61/4

158.8

21/4

57.2

30 or 31

9140 or 9450

57/8

149.2

2.911

NC46-62

61/4

158.8

213/16

71.4

30 or 31

9140 or 9450

529/32

150.0

2.631

NC46-65

61/2

165.1

21/4

57.2

30 or 31

9140 or 9450

63/32

154.8

2.761

NC46-65

61/2

165.1

213/16

71.4

30 or 31

9140 or 9450

63/32

154.8

3.051

NC46-67

63/4

171.5

21/4

57.2

30 or 31

9140 or 9450

69/32

159.5

3.181

NC50-70

7

177.8

21/4

57.2

30 or 31

9140 or 9450

631/64

164.7

2.541

NC50-70

7

177.8

213/16

71.4

30 or 31

9140 or 9450

631/64

164.7

2.731

NC50-72

71/4

184.2

213/16

71.4

30 or 31

9140 or 9450

643/64

169.5

3.121

NC56-77

73/4

196.9

213/16

71.4

30 or 31

9140 or 9450

719/64

185.3

2.701

NC56-80

8

203.2

213/16

71.4

30 or 31

9140 or 9450

731/64

190.1

3.021

65/8REG

81/4

209.6

213/16

71.4

30 or 31

9140 or 9450

745/64

195.7

2.931

NC61-90

9

228.6

213/16

71.4

30 or 31

9140 or 9450

83/8

212.7

3.171

75/8REG

91/2

241.3

3

76.2

30 or 31

9140 or 9450

813/16

223.8

2.811

NC70-97

93/4

247.7

3

76.2

30 or 31

9140 or 9450

95/32

232.6

2.571

85/8REG

 

11

 

279.4

 

3

 

76.2

 

30 or 31

 

9140 or 9450

 

101/2

 

266.7

 

2.84:1

 

 

       

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